发电机出口断路器GCB介绍.ppt

* * * * 3 * * 3 * 3 * * 3 * * * * * * * Presentation title - 01/01/2010 - P * Function description FK 3-X Closing operation (a) Non stationary position: - closing spring partially charged (recuperation) - opening spring charged (CB closed) - motor actuated automatically through control cam Presentation title - 01/01/2010 - P * Position after closing operation: - closing spring charged - opening spring charged (CB closed) Function description FK 3-X Closing operation (b) / closing spring charging Presentation title - 01/01/2010 - P * Opening spring discharged (CB open) Function description FK 3-X Opening operation Presentation title - 01/01/2010 - P * 机械和电气在机构中的功能 Presentation title - 01/01/2010 - P * Presentation title - 01/01/2010 - P * Presentation title - 01/01/2010 - P * Presentation title - 01/01/2010 - P * Presentation title - 01/01/2010 - P * Presentation title - 01/01/2010 - P * Presentation title - 01/01/2010 - P * SKG隔离开关 Presentation title - 01/01/2010 - P * FKG2S / 6,800 AmpsOne phase:一个相： Presentation title - 01/01/2010 - P * FKG2S / 6,800 AmpsOne phase:一个相： Presentation title - 01/01/2010 - P * FKG2 GCB Preventive Maintenance FKG2 GCB预防维护 … to Preventive Condition Based Maintenance 到根据环境进行维护 Refurbishing : when one of following criteria is reached : 翻修：当下列达到下列任一条件 Operating time ≥ 20 years 操作时间≥20年 Mechanical wearing : according to operation conditions 机构磨损：根据操作状况 Electrical wearing: according to interrupted currents 电气磨损：根据断续电流 From Preventive Time Based Maintenance 从根据时间进行维护 Visual Inspection : Once or Twice a year 外观检查：一年一次或两次 Inspection : Every 5 years of service 检查：每五年进行一次服务 Presentation title - 01/01/2010 - P * FKG2 GCB Preventive Maintenance FKG2 GCB预防维护 ? NI 2,22 = 55 000 kA 2,22 Interrupt a 63kA current 7 times or Interrupt a 4,5kA current 3000 times 中断63kA电流7次或中断4.5kA电流3000次 Electrical Wearing: 电气磨损 Presentation title - 01/01/2010 - P * Before all intervention on the operating device, make sure that